1993 - 2003 Ass. Radiologist at New York, USA
2003 - 2004 Fellowship at Pediatric Radiation Oncology, St. Jude Children’s Research Hospital, Tenneessee, USA
2005 - 2008 Consultant at Attending Radiation Oncologist, PROS, NY, USA
2008 - 2009 Consultant at Attending Radiation Oncologist, Georgia, USA
2009 - 2014 Consultant at Asst. Prof. Radiation Oncologist, NY, USA
2014 - Present HOD at Sr. Radiation Oncologist, Continental Hospital